"Turkey's prime minister, Recep Tayyip Erdogan, has threatened Syria with retaliation for shooting down a military jet, and warned that Turkish armed forces will respond to any Syrian encroachment on the border.
Nato secretary general Anders Fogh Rasmussen said the alliance stands by Turkey but is not considering a military response."
http://www.theguardian.com/world/middle-east-live/2012/jun/26/syria-crisis-nato-meeting-live
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Turkey may face some trouble next time its planes are sent to bomb Kurd position inside Syria. Russia’s missile from S-400 could come up to greet them. It was Turkey vs Syria, but now escalated into Turkey vs Russia/Syria.